1993年12月在山西太原某工地施工过程中，因井口塌方，将φ800mm钻头连同φ89mm的钻杆一起埋于地下一35m处。塌方的材料有石块、砖块及装满石子的编织袋，掩埋高度是6m。埋钻后用干斤顶法、高压水喷往法和小钻头钻孔法都没有成功。后来用运动合成的方法解决了。其工作过程是：1 In December 1993, during the construction of a site in Taiyuan, Shanxi Province, a φ800mm drill bit along with a φ89mm drill pipe was buried 35m below the ground due to collapse at the wellhead. Landslide materials are stones, bricks and woven bags filled with stones, buried height is 6m. Buried after drilling top method, high pressure water jet method and small drill hole method are not successful. Later, with the method of synthesis of sports solved. The working process is: 1